similar to: Population abundance, change point

I have some questions regarding Zero Inflation Poisson models. I am using count data to analyze abundance trends of salamanders. However, I have surveys which differ in the amount of effort (i.e. the number of people searching and amount of time - I am using a museum database so not all surveys were conducted by me). Therefore I need to account for the effort. If change the count (response

Dear All, I'm trying to do the estimation in a changepoint regression problem via R, but never found any suitable function which might help me to do this. Could someone give me a hand?on this matter? Thank you.

Hi, all, I'd like to find one or more changepoints in a dataset eg for data like 0.9 1 0.8 0.8 0.85 0.3 0.9 0.9 0.9 1.1 0.3 is unlikely a changepoint but for data like 0.9 1 0.8 0.8 0.85 0.3 0.2 0.2 0.1 0.2 0.3 0.3 is a change point I am wondering is there any function can do changepoint analysis? Ying Fan

Hi, I have some data that have this behaviour: | |******* | * | * | * | * |---------------- What is the best and simpler way to fit this in R? Thanks Ronaldo -- Ela pilotava um Continenal 2001 com igni????o autom??tica Magiclic... -- |> // | \\ [***********************************] | ( ?? ?? ) [Ronaldo Reis J??nior ] |>

I apologize in advance for probably missing something obvious, but if someone could point me in the right direction I'd be grateful. This NOTE is not unique to our package (I list a few others, below). Package bcp has several Suggests (strucchange, for example). Then in an Rd file, we have if (require(strucchange)) { # Doing some examples making use of strucchange } The CRAN check

Oh, so it looks like I hit a bit of a wall there :-) I’ll take a look thanks. That bug talks about R_ARM_THM_CALL which I assume are thumb related. Will your implementation fix also R_ARM_CALL errors? > On 28 Jun 2017, at 17:15, Peter Smith <peter.smith at linaro.org> wrote: > > Hello Alessandro, > > The LLD ARM port doesn't currently support range extension thunks,

> On 27 Jun 2017, at 13:25, Peter Smith <peter.smith at linaro.org> wrote: > > Hello Alessandro, > > Despite the statement in the HowToCrossCompileLLVM guide "If you’re > using Clang as the cross-compiler, there is a problem in the LLVM ARM > back-end that is producing absolute relocations on > position-independent code (R_ARM_THM_MOVW_ABS_NC), so for now, you

At a guess that looks like your llvm and lld checkouts are not quite in synch. It will be worth updating llvm and lld to top of trunk. I've rebased the consolidated patch https://reviews.llvm.org/D34634 this morning, it might be worth trying that if you are seeing problems. Peter On 29 June 2017 at 22:09, Alessandro Pistocchi <apukfreelance at gmail.com> wrote: > Hi, I tried

I've successfully used Peter's patches to get past those relocation errors. On 6/28/17, 9:36 AM, "llvm-dev on behalf of Peter Smith via llvm-dev" <llvm-dev-bounces at lists.llvm.org on behalf of llvm-dev at lists.llvm.org> wrote: Yes it should cover the following relocations: R_ARM_CALL (ARM BL/BLX) R_ARM_JUMP24 (ARM B) R_ARM_THM_CALL (Thumb BL/BLX)

The bottom of the bug has the revision numbers (e.g. D34035). That one corresponds to e.g. https://reviews.llvm.org/D34035 There's also https://reviews.llvm.org/D34634 which contains all of Peter's patches, but it's not going to rebase cleanly once the individual patches start going in. On 6/28/17, 10:56 AM, "Alessandro Pistocchi" <apukfreelance at gmail.com> wrote:

Hello, please excuse the simplicity of this question as I am not very good with stats. I am taking a class, using R which I am learning at the same time, and the questions asks us to "Estimate the average abundance using Poisson regression with a log link". I can estimate the abundance from "x", but I can seem to figure out how to get the average abundance in this method. Any

> On 26 Jun 2017, at 16:25, Rui Ueyama <ruiu at google.com> wrote: > > On Sun, Jun 25, 2017 at 6:40 AM, Alessandro Pistocchi via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote: > Hi, > > I am trying to build a completely GNU free linux toolchain for the raspberry pi. > > I successfully managed to compile llvm and clang

Hello, How can I randomly sample individuals within a sites from a site (row) X species abundance (column) data frame or matrix? As an example, the matrix "abund2" made below. ##### (sorry, Im a newbie and this is the only way I know to get an example on here) abund1 <- c(150, 300, 0, 360, 150, 300, 0, 240, 150, 0, 60, 0, 150, 0, 540, 0, 0, 300, 0, 240, 300, 300,

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Hello, I am trying to run multiple glm models for a dataset and need some help First, i generated a matrix of abundance for 10000 populations based on the mean and variance of my dataset X <- replicate(10000, rpois(50, 9.244655)) and entered the years as row names Y <- c(1960:2009) rownames(X)<-Y Now my issue is that I want to run a glm on each of those columns. However I cannot

Hi to all, I am trying to run breakpoints() on a fairly large sample (>10.000 observations). The process is very slow, any idea on how to speed this up? I have tried the hpc="foreach" parameter, but this didn't work at all when I tried to run it on a smaller sample. breakpoints(x ~ x.l1 + x.l2 + X.l3 + x.l4 + x.l5 + x.l6 + x.l7 + x.l8 + y.l1 + y.l2 + y.l3 + y.l4 + y.l5 + y.l6

Hi- I'm a biologist trying to figure out the growth rate of salamanders in different ponds. I collected individuals from various populations at different dates, and using the size and date collected, I want to figure out the growth curve of each population. My question is: How do I fit my data to a Gompertz function in R? Thank you so much! Sarah -- View this message in context:

Hello, I've been running dovecot for over 3 years now and it works with no problems. I have it setup so that it authenticates users against Active Directory via LDAP and so far no problems. What I would like to know is if there is any way that I could deny access for users trying to access email via cellphones or email clients outside the company. I can

Hello Does anyone know how to get the p values for changepoints in the "changepoint" package? There is guidance in the CRAN vignette https://cran.r-project.org/web/packages/changepoint/changepoint.pdf but I can't make it work to get the p value out... Thanks Nick Wray [[alternative HTML version deleted]]

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